We have cheats for this game on PSP, Xbox 360, and sometimes cheats from other systems may work on the PSP version.
Sorry, there are no known Metal Slug XX PSP cheats published yet. If you know of any cheats for Metal Slug XX, please submit them on CheatCodes.com for a chance to win a free PSP game (or any other game you want)!
Want even more Metal Slug XX Cheats?
We have Metal Slug XX cheats for PSP and Xbox 360 on CheatCodes.com. Give them a try, since cheats for other game systems sometimes work on PSP games, too!